/* ============================================================
   UCMHub — site.css v2  (Dark Premium System)
   ============================================================ */

@import url("tokens.css");

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; }

body {
    font-family: var(--font-sans);
    background: var(--base);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}



/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius:var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Shell Layout ─────────────────────────────────────────── */
.ucm-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.ucm-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Topbar ───────────────────────────────────────────────── */
.ucm-topbar {
    height: var(--topbar-h);
    background: rgba(8,11,18,0.9);
    backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px 0 0;
    position: relative;
    z-index: 100;
    flex-shrink: 0;
}

.ucm-topbar-brand {
    display: flex;
    align-items: center;
    gap: 0;
    width: var(--sidebar-w);
    height: 100%;
    padding: 0 20px;
    text-decoration: none;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    transition: width var(--t-slow);
}

.ucm-shell.collapsed .ucm-topbar-brand {
    width: var(--sidebar-col);
    padding: 0 16px;
    justify-content: center;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--accent-gradient);
    border-radius: var(--r-sm);
    flex-shrink: 0;
    box-shadow: var(--accent-glow);
}

.brand-name {
    margin-left: 10px;
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--t-base), width var(--t-base);
}

.brand-name span { color: var(--accent-light); }

.ucm-shell.collapsed .brand-name {
    opacity: 0;
    width: 0;
    margin-left: 0;
}

.ucm-topbar-center { flex: 1; padding: 0 20px; }

.ucm-topbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Sidebar toggle btn */
.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--t-base);
    margin-left: 12px;
}
.sidebar-toggle-btn:hover {
    background: var(--hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

/* Topbar icon buttons */
.topbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: none;
    border: none;
    border-radius: var(--r-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--t-base);
    position: relative;
}
.topbar-btn:hover { background: var(--hover); color: var(--text-primary); }

.notif-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 6px;
    height: 6px;
    background: var(--danger);
    border-radius: var(--r-full);
    display: none;
}
.notif-dot.active { display: block; }

/* User pill */
.ucm-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 4px;
    border-radius: var(--r-full);
    border: 1px solid var(--border);
    cursor: default;
    transition: all var(--t-base);
}
.ucm-user:hover { background: var(--hover); border-color: var(--border-strong); }

.ucm-user-avatar {
    width: 26px;
    height: 26px;
    border-radius: var(--r-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.ucm-user-info { line-height: 1.2; }
.ucm-user-name { font-size: var(--text-xs); font-weight: 600; color: var(--text-primary); }
.ucm-user-role { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.logout-link {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-decoration: none;
    padding: 2px 8px;
    border-radius: var(--r-sm);
    transition: all var(--t-base);
    white-space: nowrap;
}
.logout-link:hover { color: var(--danger); background: var(--danger-muted); }

/* Notification Dropdown */
.notif-wrapper { position: relative; }
.notif-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: var(--elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    display: none;
    overflow: hidden;
}
.notif-dropdown.open { display: block; animation: dropIn 0.15s var(--t-base); }
.notif-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}
.notif-clear {
    font-size: var(--text-xs);
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--t-fast);
}
.notif-clear:hover { color: var(--danger); }
.notif-list { max-height: 320px; overflow-y: auto; }
.notif-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
}
.notif-item {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background var(--t-fast);
}
.notif-item:last-child { border-bottom: none; }
.notif-item:hover { background: var(--hover); }
.notif-item-icon { font-size: 18px; flex-shrink: 0; }
.notif-item-title { font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); }
.notif-item-desc { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px; }
.notif-item-time { font-size: 10px; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); }

/* ── Sidebar ───────────────────────────────────────────────── */
.ucm-sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
    transition: width var(--t-slow);
    position: relative;
}

.ucm-shell.collapsed .ucm-sidebar { width: var(--sidebar-col); }

/* Nav items */
.ucm-nav { padding: 12px 8px; flex: 1; overflow-y: auto; }

.nav-section-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px 12px 6px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--t-base);
}
.ucm-shell.collapsed .nav-section-label { opacity: 0; height: 0; padding: 0; }

.ucm-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--r-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--t-base);
    white-space: nowrap;
    overflow: hidden;
    position: relative;
    margin-bottom: 2px;
}
.ucm-nav-item svg { flex-shrink: 0; transition: color var(--t-fast); }
.ucm-nav-item span { transition: opacity var(--t-base); }

.ucm-shell.collapsed .ucm-nav-item span { opacity: 0; width: 0; }
.ucm-shell.collapsed .ucm-nav-item { padding: 8px; justify-content: center; }
.ucm-shell.collapsed .ucm-nav-item gap { gap: 0; }

.ucm-nav-item:hover {
    background: var(--hover);
    color: var(--text-primary);
}
.ucm-nav-item:hover svg { color: var(--accent-light); }

.ucm-nav-item.active {
    background: var(--accent-muted);
    color: var(--accent-light);
    font-weight: 600;
}
.ucm-nav-item.active svg { color: var(--accent); }
.ucm-nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 3px;
    background: var(--accent);
    border-radius: 0 var(--r-full) var(--r-full) 0;
}

/* Tooltip when collapsed */
.ucm-shell.collapsed .ucm-nav-item {
    position: relative;
}
.ucm-shell.collapsed .ucm-nav-item::after {
    content: attr(data-label);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--elevated);
    color: var(--text-primary);
    font-size: var(--text-xs);
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-strong);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t-fast);
    box-shadow: var(--shadow-md);
    z-index: 200;
}
.ucm-shell.collapsed .ucm-nav-item:hover::after { opacity: 1; }

/* Sidebar bottom user area */
.ucm-sidebar-footer {
    padding: 12px 8px;
    border-top: 1px solid var(--border);
}
.ucm-sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--r-md);
    overflow: hidden;
}
.ucm-sidebar-user-avatar {
    width: 30px;
    height: 30px;
    border-radius: var(--r-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}
.ucm-sidebar-user-info { overflow: hidden; }
.ucm-sidebar-user-name {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--t-base);
}
.ucm-sidebar-user-role {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: opacity var(--t-base);
}
.ucm-shell.collapsed .ucm-sidebar-user { padding: 8px; justify-content: center; }
.ucm-shell.collapsed .ucm-sidebar-user-info { opacity: 0; width: 0; }

/* ── Content Area ─────────────────────────────────────────── */
.ucm-content {
    flex: 1;
    overflow-y: auto;
    background: var(--base);
}

.page-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 28px 32px;
}

/* Page header */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
}
.page-header-left {}
.page-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1.2;
}
.page-subtitle {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: 4px;
}
.page-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
    background: var(--elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-card);
    transition: border-color var(--t-base);
}
.card:hover { border-color: var(--border-strong); }

.card-body { padding: 20px; }
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.kpi-card {
    background: var(--elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all var(--t-base);
    cursor: default;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--t-base);
}
.kpi-card:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.kpi-card:hover::before { opacity: 1; }
.kpi-card.success::before { background: var(--success); opacity: 1; }
.kpi-card.warning::before { background: var(--warning); opacity: 1; }
.kpi-card.danger::before  { background: var(--danger);  opacity: 1; }
.kpi-card.info::before    { background: var(--info);    opacity: 1; }
.kpi-card.purple::before  { background: var(--purple);  opacity: 1; }

.kpi-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.kpi-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 6px;
}
.kpi-value.success { color: var(--success); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.danger  { color: var(--danger); }
.kpi-value.info    { color: var(--info); }
.kpi-value.purple  { color: var(--purple); }
.kpi-sub {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    border-radius: var(--r-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--t-base);
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    box-shadow: var(--accent-glow);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-strong);
}
.btn-ghost:hover {
    background: var(--hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-danger {
    background: var(--danger-muted);
    color: var(--danger);
    border-color: rgba(239,68,68,0.2);
}
.btn-danger:hover { background: var(--danger); color: white; }

.btn-success {
    background: var(--success-muted);
    color: var(--success);
    border-color: rgba(16,185,129,0.2);
}
.btn-success:hover { background: var(--success); color: white; }

.btn-sm { padding: 5px 10px; font-size: var(--text-xs); }
.btn-lg { padding: 10px 20px; font-size: var(--text-base); }

.btn-icon {
    padding: 7px;
    aspect-ratio: 1;
    border-radius: var(--r-sm);
}

/* ── Form Controls ─────────────────────────────────────────── */
.form-control, .form-select {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    padding: 7px 12px;
    outline: none;
    transition: all var(--t-base);
    width: 100%;
}
.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-muted);
}
.form-control::placeholder { color: var(--text-muted); }

select.form-select option {
    background: var(--elevated);
    color: var(--text-primary);
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrapper {
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--elevated);
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}
.table thead tr {
    background: var(--surface);
    border-bottom: 1px solid var(--border-strong);
}
.table th {
    padding: 10px 14px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: left;
    white-space: nowrap;
}
.table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}
.table tbody tr { transition: background var(--t-fast); }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--hover); }
.table tbody tr:hover td { color: var(--text-primary); }

/* Monospaced cells */
.cell-mono { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent-light); }
.cell-primary { font-weight: 600; color: var(--text-primary); }

/* ── Badges / Pills ─────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--r-full);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}
.badge-success { background: var(--success-muted); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.badge-warning { background: var(--warning-muted); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-danger  { background: var(--danger-muted);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.2); }
.badge-info    { background: var(--info-muted);    color: var(--info);    border: 1px solid rgba(59,130,246,0.2); }
.badge-purple  { background: rgba(139,92,246,0.12); color: var(--purple); border: 1px solid rgba(139,92,246,0.2); }
.badge-neutral { background: rgba(255,255,255,0.06); color: var(--text-secondary); border: 1px solid var(--border-strong); }

/* ── Filter Bar ─────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.filter-bar .form-select { width: auto; min-width: 150px; }
.filter-bar .form-control { max-width: 260px; }

/* ── Alerts / Empty State ────────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 32px;
    text-align: center;
    color: var(--text-muted);
}
.empty-state-icon {
    width: 56px;
    height: 56px;
    background: var(--hover);
    border-radius: var(--r-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--text-muted);
}
.empty-state-title { font-size: var(--text-base); font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state-desc  { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 20px; }

/* ── Timeline (Control Tower feed) ──────────────────────────── */
.signal-feed { display: flex; flex-direction: column; gap: 0; }
.signal-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    transition: background var(--t-fast);
}
.signal-item:last-child { border-bottom: none; }
.signal-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--r-full);
    flex-shrink: 0;
    margin-top: 4px;
}
.signal-dot.success { background: var(--success); box-shadow: 0 0 8px var(--success); }
.signal-dot.warning { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.signal-dot.danger  { background: var(--danger);  box-shadow: 0 0 8px var(--danger); }
.signal-dot.info    { background: var(--info);    box-shadow: 0 0 8px var(--info); }

/* Pulsing dot for active signals */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.4); }
}
.signal-dot.active { animation: pulse-dot 1.5s ease-in-out infinite; }

.signal-body { flex: 1; }
.signal-title { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.signal-meta  { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px; font-family: var(--font-mono); }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
    background: var(--elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s var(--t-base);
}
.modal-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); }
.modal-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: var(--r-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--t-fast);
}
.modal-close:hover { background: var(--hover); color: var(--danger); }
.modal-body { padding: 20px 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ── Checkbox ─────────────────────────────────────────────── */
input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--r-xs);
    background: var(--surface);
    cursor: pointer;
    transition: all var(--t-fast);
    flex-shrink: 0;
}
input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' viewBox='0 0 10 8'%3E%3Cpath fill='none' stroke='white' stroke-width='1.5' d='M1 4l3 3 5-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}
input[type="checkbox"]:indeterminate {
    background: var(--accent-muted);
    border-color: var(--accent);
}
input[type="checkbox"]:hover { border-color: var(--accent); }

/* ── Upload Zone ────────────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border-strong);
    border-radius: var(--r-xl);
    padding: 48px 32px;
    text-align: center;
    transition: all var(--t-base);
    cursor: pointer;
    background: var(--elevated);
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--accent);
    background: var(--accent-muted);
}
.upload-zone-icon {
    width: 52px; height: 52px;
    background: var(--hover);
    border-radius: var(--r-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--accent-light);
    transition: all var(--t-base);
}
.upload-zone:hover .upload-zone-icon { background: var(--accent-muted); }
.upload-zone-title { font-size: var(--text-base); font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.upload-zone-sub   { font-size: var(--text-sm); color: var(--text-muted); }
.upload-zone input[type="file"] { display: none; }

/* ── Pagination ─────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 16px 0;
}
.page-btn {
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    transition: all var(--t-fast);
}
.page-btn:hover { background: var(--hover); color: var(--text-primary); border-color: var(--border-strong); }
.page-btn.active { background: var(--accent-muted); color: var(--accent-light); border-color: var(--border-accent); }

/* ── Toast / Alert ──────────────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    color: var(--text-primary);
    min-width: 280px;
    animation: slideInRight 0.2s ease;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }

/* ── Separator / Divider ─────────────────────────────────────── */
.divider {
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* ── Utilities ───────────────────────────────────────────────── */
.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-accent    { color: var(--accent-light) !important; }
.text-success   { color: var(--success) !important; }
.text-warning   { color: var(--warning) !important; }
.text-danger    { color: var(--danger) !important; }

.font-mono { font-family: var(--font-mono) !important; }
.font-bold { font-weight: 700 !important; }
.font-medium { font-weight: 500 !important; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex-1 { flex: 1; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mt-4 { margin-top: 16px; }

/* ── Animations ─────────────────────────────────────────────── */
@keyframes dropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ── Skeleton Loader ─────────────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, var(--elevated) 25%, var(--hover) 50%, var(--elevated) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--r-sm);
}

/* ── Login Page ─────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--base);
    padding: 24px;
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}
.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 28px;
    text-align: center;
}
.login-brand-icon {
    width: 44px; height: 44px;
    background: var(--accent-gradient);
    border-radius: var(--r-lg);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
    box-shadow: var(--accent-glow);
}
.login-brand-name { font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.03em; }
.login-brand-name span { color: var(--accent-light); }
.login-brand-sub { font-size: var(--text-sm); color: var(--text-muted); margin-top: 4px; }

.form-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.03em;
}
.form-group { margin-bottom: 16px; }

/* ── Grid helpers ─────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Preview Panel (Labels page) ──────────────────────────────── */
.labels-layout {
    display: flex;
    gap: 20px;
    height: calc(100vh - var(--topbar-h) - 80px);
}
.labels-list-panel {
    flex: 0 0 420px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
}
.labels-preview-panel {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.labels-preview-toolbar {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--elevated);
}
.labels-preview-toolbar-title { font-size: var(--text-xs); font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.labels-preview-frame { flex: 1; border: none; background: white; }

/* ── Horizontal scrollable filter chips ─────────────────────── */
.filter-chips {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
}
.filter-chips::-webkit-scrollbar { display: none; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--r-full);
    font-size: var(--text-xs);
    font-weight: 600;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--t-fast);
    white-space: nowrap;
}
.chip:hover  { background: var(--hover); color: var(--text-primary); }
.chip.active { background: var(--accent-muted); color: var(--accent-light); border-color: var(--border-accent); }

/* ── Misc ─────────────────────────────────────────────────────── */
a { color: var(--accent-light); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent); }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* Remove all legacy light overrides */
[data-theme="light"] * { color-scheme: dark; }


/* =======================================================
   COMPAT LAYER — mapeamento de classes antigas -> novas
   ======================================================= */

/* Layout wrappers */
.container, .page-wrapper { padding: 28px 32px; max-width: 1600px; margin: 0 auto; }

/* Legacy page header */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.page-header h1 { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); letter-spacing: -0.025em; line-height: 1.2; }
.page-header p { font-size: var(--text-sm); color: var(--text-muted); margin-top: 4px; }

/* Glass cards (KPI cards) */
.glass-card {
    background: var(--elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t-base), transform var(--t-base);
}
.glass-card:hover { border-color: var(--border-strong); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
thead tr { background: var(--surface); border-bottom: 1px solid var(--border-strong); }
th {
    padding: 10px 14px;
    font-size: 10px; font-weight: 700; letter-spacing: 0.07em;
    text-transform: uppercase; color: var(--text-muted);
    text-align: left; white-space: nowrap;
}
td { padding: 11px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: middle; }
tbody tr { transition: background var(--t-fast); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--hover); }
tbody tr:hover td { color: var(--text-primary); }

/* Form selects & inputs */
select, input[type="text"], input[type="search"], input[type="email"], input[type="password"], textarea {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    padding: 7px 12px;
    outline: none;
    transition: all var(--t-base);
}
select:focus, input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-muted); }
select option { background: var(--elevated); color: var(--text-primary); }
input::placeholder { color: var(--text-muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: var(--r-md); font-family: var(--font-sans); font-size: var(--text-sm); font-weight: 500; cursor: pointer; transition: all var(--t-base); text-decoration: none; border: 1px solid transparent; white-space: nowrap; }

.btn-primary, .btn-outline.btn-primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-light); box-shadow: var(--accent-glow); transform: translateY(-1px); }

.btn-outline, .btn-secondary { background: transparent; color: var(--text-secondary); border-color: var(--border-strong); }
.btn-outline:hover, .btn-secondary:hover { background: var(--hover); color: var(--text-primary); }

.btn-danger { background: var(--danger-muted); color: var(--danger); border-color: rgba(239,68,68,0.2); }
.btn-danger:hover { background: var(--danger); color: white; }

.btn-sm { padding: 5px 10px; font-size: var(--text-xs); }

/* Badges */
.badge, .status-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 8px; border-radius: var(--r-full);
    font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
}
.badge-success, .status-resolved   { background: var(--success-muted); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.badge-warning, .status-active     { background: var(--warning-muted); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-danger, .status-escalated   { background: var(--danger-muted); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.badge-info, .status-info          { background: var(--info-muted); color: var(--info); border: 1px solid rgba(59,130,246,0.2); }
.badge-purple, .status-pending     { background: rgba(139,92,246,0.12); color: var(--purple); border: 1px solid rgba(139,92,246,0.2); }
.badge-neutral                     { background: rgba(255,255,255,0.06); color: var(--text-secondary); border: 1px solid var(--border-strong); }

/* Section labels */
.section-title, .card-section-title {
    font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--text-muted);
    margin-bottom: 12px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* Progress bars */
.progress-bar-container { background: var(--surface); border-radius: var(--r-full); height: 5px; overflow: hidden; margin-top: 6px; }
.progress-bar { height: 100%; border-radius: var(--r-full); background: var(--accent-gradient); transition: width 0.4s ease; }

/* Alert / Notice */
.alert { padding: 12px 16px; border-radius: var(--r-md); margin-bottom: 16px; border: 1px solid; font-size: var(--text-sm); }
.alert-success { background: var(--success-muted); color: var(--success); border-color: rgba(16,185,129,0.2); }
.alert-warning { background: var(--warning-muted); color: var(--warning); border-color: rgba(245,158,11,0.2); }
.alert-danger  { background: var(--danger-muted);  color: var(--danger);  border-color: rgba(239,68,68,0.2); }
.alert-info    { background: var(--info-muted);    color: var(--info);    border-color: rgba(59,130,246,0.2); }

/* Links inside tables */
a.sku-link, td a { color: var(--accent-light); font-weight: 500; }
a.sku-link:hover, td a:hover { color: var(--accent); }

/* Monospaced */
code, .mono { font-family: var(--font-mono); font-size: 0.85em; color: var(--accent-light); }

/* Scrollable table container */
.table-responsive { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--elevated); }

/* Chart containers */
.chart-container { background: var(--elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; margin-bottom: 20px; }

/* Row grid for two columns */
.row-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 900px) { .row-2col { grid-template-columns: 1fr; } }

/* Inline icon button */
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; background: transparent; border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--text-muted); cursor: pointer; transition: all var(--t-fast); }
.icon-btn:hover { background: var(--hover); color: var(--text-primary); border-color: var(--border-strong); }

/* List groups */
.list-group { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.list-group-item { padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--elevated); display: flex; align-items: center; justify-content: space-between; }
.list-group-item:last-child { border-bottom: none; }
.list-group-item:hover { background: var(--hover); }

/* Loading spinner */
.spinner { width: 20px; height: 20px; border: 2px solid var(--border-strong); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Close button */
.close-btn, .btn-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px; line-height: 1; padding: 2px 6px; border-radius: var(--r-sm); transition: all var(--t-fast); }
.close-btn:hover, .btn-close:hover { background: var(--hover); color: var(--danger); }

/* Inline form row */
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.form-group { margin-bottom: 12px; }
.form-group label, .form-label { display: block; font-size: var(--text-xs); font-weight: 600; color: var(--text-secondary); margin-bottom: 5px; letter-spacing: 0.03em; }

/* Modals */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
    z-index: 999; display: none; align-items: center; justify-content: center;
}
.modal-overlay.show, .modal-overlay.open { display: flex; }
.modal-box {
    background: var(--elevated); border: 1px solid var(--border-strong); border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
    animation: modalIn 0.2s ease;
}
.modal-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); }
.modal-body { padding: 20px 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Text helpers */
h1, h2, h3, h4, h5 { color: var(--text-primary); line-height: 1.3; }
h1 { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: var(--text-lg); font-weight: 600; }
h3 { font-size: var(--text-base); font-weight: 600; }
p  { color: var(--text-secondary); }

/* =======================================================
   ESPECÍFICOS DE ETIQUETAS & GERADOR (Labels.cshtml)
   ======================================================= */
.labels-shell { padding: 24px; max-width: 100%; height: calc(100vh - var(--topbar-h)); overflow: hidden; display: flex; flex-direction: column; }
.labels-split-layout { display: flex; gap: 20px; flex: 1; overflow: hidden; height: 100%; }
.labels-left-col { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; min-width: 0; }
.labels-preview-col { width: 450px; display: flex; flex-direction: column; background: var(--elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; flex-shrink: 0; }

.labels-filter-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.labels-filters-form { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.labels-filters-form select { padding: 5px 8px; height: 32px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--r-sm); color: var(--text-primary); font-size: 12px; outline: none; }
.labels-filters-form select:focus { border-color: var(--accent); }
.labels-actions-form { display: flex; gap: 8px; align-items: center; }
.labels-format-check { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--text-secondary); cursor: pointer; }

.labels-table-wrap { flex: 1; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); }
.labels-table-wrap table { width: 100%; border-collapse: collapse; font-size: 12px; }
.labels-table-wrap th { position: sticky; top: 0; background: var(--elevated); z-index: 5; padding: 8px 10px; border-bottom: 1px solid var(--border-strong); }
.labels-table-wrap td { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.labels-table-wrap tr:hover td { background: var(--hover); color: var(--text-primary); }

.preview-viewport { flex: 1; border: 1px solid var(--border-strong); border-radius: var(--r-md); background: #ffffff; overflow: hidden; position: relative; display: flex; flex-direction: column; }
.preview-viewport iframe { width: 100%; height: 100%; border: none; flex: 1; }
.preview-placeholder { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-muted); background: var(--surface); }
.preview-placeholder svg { width: 48px; height: 48px; stroke: var(--text-muted); margin-bottom: 12px; }
.preview-placeholder p { font-size: 13px; color: var(--text-secondary); }

.preview-btn-mini { background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-primary); padding: 2px 8px; font-size: 10px; font-weight: 700; border-radius: var(--r-xs); cursor: pointer; transition: all var(--t-fast); }
.preview-btn-mini:hover { background: var(--accent); border-color: var(--accent); color: white; }

.labels-preview-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-size: 13px; font-weight: 600; color: var(--text-primary); }

/* =======================================================
   TOOLBAR & CONTROLLER DO CATALOGO (Catalog.cshtml)
   ======================================================= */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; background: var(--surface); border: 1px solid var(--border); padding: 12px 16px; border-radius: var(--r-lg); width: 100%; }
.toolbar select { padding: 8px 12px; height: 40px; background: var(--elevated); border: 1px solid var(--border-strong); border-radius: var(--r-md); color: var(--text-primary); font-size: 13px; outline: none; }
.toolbar input[type="text"] { flex: 1; min-width: 200px; padding: 8px 14px; height: 40px; background: var(--elevated); border: 1px solid var(--border-strong); border-radius: var(--r-md); color: var(--text-primary); font-size: 13px; outline: none; transition: border var(--t-fast); }
.toolbar input[type="text"]:focus { border-color: var(--accent); }
.toolbar label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary); cursor: pointer; user-select: none; }
.toolbar .stat { font-size: 13px; color: var(--text-secondary); margin-left: auto; white-space: nowrap; }

.table-shell { background: var(--elevated); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; width: 100%; }
.table-scrollable { overflow-x: auto; max-height: calc(100vh - 290px); }
.table-scrollable table { width: 100%; border-collapse: collapse; }
.table-scrollable th { position: sticky; top: 0; background: var(--surface); z-index: 5; border-bottom: 1px solid var(--border-strong); }
.sku-monospace { font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--accent-light); }

.login-error-alert { background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.2); color: var(--danger); padding: 10px 14px; font-size: 13px; }

/* =======================================================
   TORRE DE CONTROLO — Exception-First Components
   ======================================================= */

/* ── Signal Card ──────────────────────────────────────── */
.signal-feed { display: flex; flex-direction: column; gap: 12px; }

.signal-card {
    background: var(--elevated);
    border: 1px solid var(--border);
    border-left: 4px solid var(--text-muted);
    border-radius: var(--r-lg);
    padding: 16px 20px;
    cursor: pointer;
    transition: all var(--t-base);
    position: relative;
}
.signal-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: var(--hover);
}
.signal-card.active {
    border-color: var(--accent);
    background: var(--selected);
    box-shadow: var(--accent-glow);
}

/* Severity variants */
.signal-card--critical { border-left-color: var(--danger); }
.signal-card--critical::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(ellipse at left center, rgba(239,68,68,0.06) 0%, transparent 60%);
    pointer-events: none;
}
.signal-card--warning  { border-left-color: var(--warning); }
.signal-card--info     { border-left-color: var(--info); }

.signal-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.signal-card__id {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-muted);
}
.signal-card__type {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-primary);
}
.signal-card__meta {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-xs);
    color: var(--text-muted);
}
.signal-card__body {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.signal-card__actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.signal-card__actions .btn {
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--r-sm);
}
.signal-card__source {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-light);
    background: var(--accent-muted);
    padding: 2px 8px;
    border-radius: var(--r-full);
}
.signal-card__client {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ── Severity Groups (Progressive Disclosure) ─────────── */
.severity-group {
    margin-bottom: 8px;
}
.severity-group > summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: all var(--t-fast);
    user-select: none;
}
.severity-group > summary::-webkit-details-marker { display: none; }
.severity-group > summary::before {
    content: '▸';
    font-size: 12px;
    color: var(--text-muted);
    transition: transform var(--t-fast);
    display: inline-block;
    width: 12px;
}
.severity-group[open] > summary::before {
    transform: rotate(90deg);
}
.severity-group > summary:hover {
    background: var(--hover);
}
.severity-group__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: var(--r-full);
    font-size: 11px;
    font-weight: 800;
    color: white;
}
.severity-group__count--critical { background: var(--danger); }
.severity-group__count--warning  { background: var(--warning); color: #000; }
.severity-group__count--info     { background: var(--info); }

.severity-group__content {
    padding: 12px 0 0 0;
}

/* ── Drawer (Slide-in Panel) ─────────────────────────── */
.ct-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-base), visibility var(--t-base);
}
.ct-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.ct-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 520px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 950;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}
.ct-drawer.open {
    transform: translateX(0);
}

.ct-drawer__header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-shrink: 0;
    background: var(--elevated);
}
.ct-drawer__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}
.ct-drawer__subtitle {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin: 0;
}
.ct-drawer__close {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: var(--r-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: all var(--t-fast);
}
.ct-drawer__close:hover {
    background: var(--danger-muted);
    border-color: var(--danger);
    color: var(--danger);
}

.ct-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.ct-drawer__section {
    margin-bottom: 24px;
}
.ct-drawer__section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0 0 12px 0;
}

/* AI Analysis block inside drawer */
.ct-drawer__ai-block {
    background: var(--accent-muted);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-md);
    padding: 16px;
}
.ct-drawer__ai-block h4 {
    margin: 0 0 8px 0;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.ct-drawer__ai-text {
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-primary);
    white-space: pre-line;
}

/* JSON collapsible inside drawer */
.ct-drawer__json-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    padding: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.ct-drawer__json-toggle:hover { color: var(--text-secondary); }
.ct-drawer__json-pre {
    font-family: var(--font-mono);
    font-size: 11px;
    background: rgba(0,0,0,0.3);
    padding: 12px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    overflow-x: auto;
    margin-top: 8px;
    max-height: 200px;
    color: var(--text-secondary);
}

/* Decision block */
.ct-drawer__decision {
    background: var(--success-muted);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: var(--r-md);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--success);
}

.ct-drawer__footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-shrink: 0;
    background: var(--elevated);
}

/* ── Timeline Vertical (inside Drawer) ────────────────── */
.timeline-v {
    position: relative;
    padding-left: 28px;
}
.timeline-v::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--border-strong);
    border-radius: 1px;
}
.timeline-v__item {
    position: relative;
    padding: 0 0 16px 0;
}
.timeline-v__item:last-child { padding-bottom: 0; }
.timeline-v__dot {
    position: absolute;
    left: -28px;
    top: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    z-index: 1;
}
.timeline-v__dot--done { border-color: var(--success); background: var(--success-muted); }
.timeline-v__dot--active { border-color: var(--warning); background: var(--warning-muted); animation: pulse-dot 2s infinite; }
.timeline-v__dot--pending { border-color: var(--text-muted); }

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(245,158,11,0); }
}

.timeline-v__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}
.timeline-v__time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.timeline-v__duration {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Responsive Drawer ────────────────────────────────── */
@media (max-width: 768px) {
    .ct-drawer { width: 100%; }
}